D7787: Set KPageListView width properly

[Łukasz Wojniłowicz]

wojnilowicz created this revision.
wojnilowicz added a project: Frameworks.

REVISION SUMMARY
  sizeHintForIndex returns lower value than sizeHintForColumn and because
  of that horizontal scrollbar appears which is unnecessary.
  Hardcoded 25 value has been changed to `vertical scrollbar width + 5`
  because without 5 horizontal scrollbar still appears.

TEST PLAN
  Before patch
  F3908663: before patch.png <https://phabricator.kde.org/F3908663>
  
  After patch
  F3908665: after patch.png <https://phabricator.kde.org/F3908665>

REPOSITORY
  R252 Framework Integration

REVISION DETAIL
  https://phabricator.kde.org/D7787

AFFECTED FILES
  src/kpageview_p.cpp

To: wojnilowicz, #frameworks
Cc: tbaumgart, #kmymoney
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